fix: align note list header actions

src/components/NoteList.rendering.test.tsx

@@ -123,6 +123,27 @@ describe('NoteList rendering', () => {
     expect(screen.getByTitle('Create new note')).toBeInTheDocument()
   })
 
+  it('uses matching ghost icon button styling for note-list header actions', () => {
+    renderNoteList({
+      entries: makeBookTypeEntries(['Priority'], { properties: { Priority: 'High' } }),
+      selection: { kind: 'filter', filter: 'inbox' },
+      inboxNoteListProperties: null,
+      onUpdateInboxNoteListProperties: () => undefined,
+    })
+
+    const buttons = [
+      screen.getByTitle('Search notes'),
+      screen.getByTitle('Customize Inbox columns'),
+      screen.getByTitle('Create new note'),
+    ]
+
+    for (const button of buttons) {
+      expect(button).toHaveAttribute('data-size', 'icon-xs')
+      expect(button).toHaveAttribute('data-variant', 'ghost')
+      expect(button).toHaveClass('h-7', 'w-7', 'text-muted-foreground', 'hover:bg-accent')
+    }
+  })
+
   it('shows backlinks from outgoing links in entity view', () => {
     const entriesWithBacklink = mockEntries.map((entry) =>
       entry.path === mockEntries[2].path ? { ...entry, outgoingLinks: ['Build Laputa App'] } : entry,